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1 //===--- IncrementalExecutor.h - Incremental Execution ----------*- C++ -*-===//
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2 //
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3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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4 // See https://llvm.org/LICENSE.txt for license information.
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5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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6 //
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7 //===----------------------------------------------------------------------===//
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8 //
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9 // This file implements the class which performs incremental code execution.
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10 //
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11 //===----------------------------------------------------------------------===//
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12
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13 #ifndef LLVM_CLANG_LIB_INTERPRETER_INCREMENTALEXECUTOR_H
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14 #define LLVM_CLANG_LIB_INTERPRETER_INCREMENTALEXECUTOR_H
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15
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16 #include "llvm/ADT/DenseMap.h"
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17 #include "llvm/ADT/StringRef.h"
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18 #include "llvm/ExecutionEngine/Orc/ExecutionUtils.h"
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19 #include "llvm/ExecutionEngine/Orc/Shared/ExecutorAddress.h"
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20
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21 #include <memory>
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22
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23 namespace llvm {
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24 class Error;
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25 namespace orc {
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26 class LLJIT;
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27 class ThreadSafeContext;
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28 } // namespace orc
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29 } // namespace llvm
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30
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31 namespace clang {
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32
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33 struct PartialTranslationUnit;
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34 class TargetInfo;
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35
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36 class IncrementalExecutor {
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37 using CtorDtorIterator = llvm::orc::CtorDtorIterator;
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38 std::unique_ptr<llvm::orc::LLJIT> Jit;
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39 llvm::orc::ThreadSafeContext &TSCtx;
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40
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41 llvm::DenseMap<const PartialTranslationUnit *, llvm::orc::ResourceTrackerSP>
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42 ResourceTrackers;
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43
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44 public:
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45 enum SymbolNameKind { IRName, LinkerName };
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46
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47 IncrementalExecutor(llvm::orc::ThreadSafeContext &TSC, llvm::Error &Err,
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48 const clang::TargetInfo &TI);
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49 ~IncrementalExecutor();
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50
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51 llvm::Error addModule(PartialTranslationUnit &PTU);
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52 llvm::Error removeModule(PartialTranslationUnit &PTU);
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53 llvm::Error runCtors() const;
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54 llvm::Error cleanUp();
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55 llvm::Expected<llvm::orc::ExecutorAddr>
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56 getSymbolAddress(llvm::StringRef Name, SymbolNameKind NameKind) const;
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57
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58 llvm::orc::LLJIT &GetExecutionEngine() { return *Jit; }
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59 };
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60
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61 } // end namespace clang
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62
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63 #endif // LLVM_CLANG_LIB_INTERPRETER_INCREMENTALEXECUTOR_H
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